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131374859 = 7111706167
BaseRepresentation
bin1111101010010…
…01111100001011
3100011012112102112
413311021330023
5232112443414
621011452535
73153445040
oct765117413
9304175375
10131374859
1168180970
1237bb714b
13212aa505
141363b1c7
15b800d3e
hex7d49f0b

131374859 has 8 divisors (see below), whose sum is σ = 163792128. Its totient is φ = 102369960.

The previous prime is 131374853. The next prime is 131374871. The reversal of 131374859 is 958473131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131374859 - 212 = 131370763 is a prime.

It is a house number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131374853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853007 + ... + 853160.

It is an arithmetic number, because the mean of its divisors is an integer number (20474016).

Almost surely, 2131374859 is an apocalyptic number.

131374859 is a deficient number, since it is larger than the sum of its proper divisors (32417269).

131374859 is a wasteful number, since it uses less digits than its factorization.

131374859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706185.

The product of its digits is 90720, while the sum is 41.

The square root of 131374859 is about 11461.8872355298. The cubic root of 131374859 is about 508.3592781049.

The spelling of 131374859 in words is "one hundred thirty-one million, three hundred seventy-four thousand, eight hundred fifty-nine".

Divisors: 1 7 11 77 1706167 11943169 18767837 131374859